y = x^2 sin 4x,求dy,求dy

y = x^2 sin 4x,求dy,求dy y=x*sin(lnx) 求dy sin(xy)=x+y,求dy sin(x^2+y^2)=x,求dy x=sin(y/x)+e^2 求dy/dx y=sin^2 {x/(x+1)} 求dy y=sin(x^2),求dy/d(x^3) y=e^sin(x^2+根号x),求dy y=sin(x^3),求dy/d(x^2) y=sin(x^2+1) 求dy请指示 求微分 y=sin²x 求dy y=sin(lnx) +1/x,求dy求详解 y=x^2x,求dy 设sin(x+y)=xy,求dy/dx. 求通解dy/dx=sin(x-y) 设Y=lnx+sin x分之1.求dy y=sin(lnx) +1/x,求dy y = sin²（x²）求 dy / dx